Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11904919 | Apparatus and method for assisting in decoupling a wheels-on-ground daughter cart from a mother cart | Edmund W. Brown, Eric W. Brown | 2024-02-20 |
| 10093334 | Mother/daughter industrial cart coupling arrangement | Edmund W. Brown | 2018-10-09 |
| 9849982 | Rescue hoist end-effector | Annina M. Baker Kreiser, David Lee Kreiser, John M. Burke, Aidan J. Rischmann | 2017-12-26 |
| 6910361 | Coupling device | Montgomery William Childs, Malcolm Broadley | 2005-06-28 |